Williams Companies, Inc.
Close on Nov 2, 2026Market cap $87.08BP/E 28.4Yield 2.81%
Williams Companies MountainWest Pipelines by Quarter
MountainWest Pipelines — Avg. Daily Transportation Volumes (MMdth/d)
Williams Companies MountainWest Pipelines: 3 in Q2 2026, down 3.2% from a year earlier. That is the lowest of the 14 quarters on record here.
Where the Q2 2026 figure comes from
Source: Williams Companies 8-K (2026-08-03) ↗
Acquired Feb 14, 2023; includes MountainWest Pipeline, Overthrust Pipeline, 50% operated White River Hub, and Clay Basin storage.
Quarterly history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | MountainWest Pipelines — Avg. Daily Transportation Volumes (MMdth/d) | Year on year | Source |
|---|---|---|---|---|
| Q2 2026 | Jun 30, 2026 | 3 | -3.2% | Williams Companies 8-K (2026-08-03) ↗ |
| Q1 2026 | Mar 31, 2026 | 3 | -13.5% | Williams Companies 8-K (2026-08-03) ↗ |
| Q4 2025 | Dec 31, 2025 | 4 | -14.6% | Williams Companies 8-K (2026-08-03) ↗ |
| Q3 2025 | Sep 30, 2025 | 3 | -8.3% | Williams Companies 8-K (2026-08-03) ↗ |
| Q2 2025 | Jun 30, 2025 | 3 | -3.1% | Williams Companies 8-K (2026-08-03) ↗ |
| Q1 2025 | Mar 31, 2025 | 4 | -14.0% | Williams Companies 8-K (2026-08-03) ↗ |
| Q4 2024 | Dec 31, 2024 | 4 | -2.4% | Williams Companies 8-K (2026-02-10) ↗ |
| Q3 2024 | Sep 30, 2024 | 4 | -5.3% | Williams Companies 8-K (2026-02-10) ↗ |
| Q2 2024 | Jun 30, 2024 | 3 | 0.0% | Williams Companies 8-K (2026-02-10) ↗ |
| Q1 2024 | Mar 31, 2024 | 4 | +2.4% | Williams Companies 8-K (2026-02-10) ↗ |
| Q4 2023 | Dec 31, 2023 | 4 | – | Williams Companies 8-K (2025-02-12) ↗ |
| Q3 2023 | Sep 30, 2023 | 4 | – | Williams Companies 8-K (2025-02-12) ↗ |
| Q2 2023 | Jun 30, 2023 | 3 | – | Williams Companies 8-K (2025-02-12) ↗ |
| Q1 2023 | Mar 31, 2023 | 4 | – | Williams Companies 8-K (2025-02-12) ↗ |
Breakdown
What makes up mountainWest Pipelines
- MountainWest Pipelines — Avg. Daily Firm Reserved Capacity (MMdth/d)8 · Q2 2026
- MountainWest Pipelines — Year-End Design Capacity (MMdth/d)–
- MountainWest Pipeline LLC — FERC Transmission System Length (Miles)–
- MountainWest Pipeline LLC — FERC Certificated Storage Capacity (Clay Basin, MMdth)–
- MountainWest Pipeline LLC — FERC Monthly Operational Revenue Gas Volume (MMdth)–
- MountainWest Overthrust Pipeline — FERC Monthly Operational Revenue Gas Volume (MMdth)–
Cite this data
StockData. (2026). Williams Companies MountainWest Pipelines, quarterly Q1 2023–Q2 2026 [Data set]. Compiled from Williams Companies SEC filings and investor materials. https://stockdatahq.com/stocks/wmb/kpis/mwp-vol-mmdthd
See every metric in the Williams Companies KPI table. Data updated Nov 1, 2026.